Home / 75,069.52-103,547.10-48,169.42

Finding the Fourth Proportional to 75,069.52, 103,547.10 and 48,169.42

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Solution

The fourth proportional to 75,069.52, 103,547.10 and 48,169.42 is: 66,442.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,069.52 : 103,547.10 = 48,169.42 : x
  2. Step 2: Convert to fraction form
    75,069.52/103,547.10 = 48,169.42/x
  3. Step 3: Cross multiply
    75,069.52x = 103,547.10 × 48,169.42
  4. Step 4: Simplify right side
    75,069.52x = 4,987,803,749.68
  5. Step 5: Solve for x
    x = 4,987,803,749.68/75,069.52
  6. Step 6: Final answer
    x = 66,442.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.